1. Ashkenazi, V.; J. Yau (1986): "Significance of discrepancies in the processing of GPS data with different algorithms." Proceedings of the Fourth International Geodetic Symposium on Satellite Positioning. Austin, Texas, April 28–May 2, Vol. 1, pp. 689–703.
2. Hofmann-Wellenhof, B. (1985): "Millimeter accuracy in real time using GPS — dream or reality?" Proceedings of the Second SATRAPE Meeting. Saint-Mande, France, November 4–6, pp. 86–97.
3. Hofmann-Wellenhof, B; B. W. Remondi (1985): "Determination of the trajectory of a moving platform using GPS carrier phase." Proceedings on Inertial, Doppler and GPS Measurements for National and Engineering Surveys. Munich, Federal Republic of Germany, July 1–3, Vol. 20–2, pp. 443–461.
4. Ladd, J. W.; C. Counselman; S. A. Gourevitch (1985): "The Macrometer II™ dual-band interferometric surveyor." Proceedings of the First International Symposium on Precise Positioning with the Global Positioning System. Rockville, Maryland, April 15–19, Vol. 1, pp. 175–180.
5. Mader, G.; W. Carter; B. Douglas; W. Krabill (1986); "Decimeter precision aircraft positioning using GPS carrier phase measurements." Technical Memorandum (unnumbered) of the National Geodetic Survey, Rockville, Maryland. Also published with the same title, but with G. Mader as the only author, in Proceedings of the Fourth International Geodetic Symposium on Satellite Positioning. Austin, Texas, April 28–May 2, Vol. 2, pp. 1311–1325.